# SDR UIEA2021082901906

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 29, 2021
- Submitted: September 1, 2021
- Operation: Air carrier
- Aircraft: [N473MC](https://openairdocs.org/aircraft/N473MC), registered now
- Make and model: Boeing 747-45E
- Registry model: [Boeing 747-45E](https://openairdocs.org/model/boeing-747-45e) (OpenAirDocs)
- Aircraft serial: 27174
- Aircraft time: 109,067 hours, 19,619 cycles
- System (JASC): [2910 · Hydraulic System, Main](https://openairdocs.org/jasc/2910)
- Part: Line
- Part number: AS115080306
- Condition: Leaking
- Location: Hyd System
- Stage of operation: CR
- How discovered: O
- Nature of condition: K, J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UIEA2021082901906

## Discrepancy

HYDRAULIC PRESSURE SYSTEM #1 EICAS QUANTITY LOW.  REPLACED ELEVATOR ACTUATOR LINE WITH TEMP LINE. TO BE REPLACED ON NEXT A- CHECK. CHECKED CASE DRAIN FILTERS (CLEAN) AND INSTALLED NEW FILTERS.

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